No problem, we've got 8719 and 1139 to multiply
8719 × 1139 = 1139 × (8719)
+ 1139 × 9 that is equal 10251
+ 1139 × 10 yielding 11390
+ 1139 × 700 what gives us 797300
+ 1139 × 8000 producing 9112000

= 9930941
